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Finding the Fourth Proportional to 468,469.26, 646,484.63 and 253,607.76

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Solution

The fourth proportional to 468,469.26, 646,484.63 and 253,607.76 is: 349,977.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,469.26 : 646,484.63 = 253,607.76 : x
  2. Step 2: Convert to fraction form
    468,469.26/646,484.63 = 253,607.76/x
  3. Step 3: Cross multiply
    468,469.26x = 646,484.63 × 253,607.76
  4. Step 4: Simplify right side
    468,469.26x = 163,953,517,620.69
  5. Step 5: Solve for x
    x = 163,953,517,620.69/468,469.26
  6. Step 6: Final answer
    x = 349,977.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.